added missing reduction barrier

keptsecret · keptsecret · commit 9c7239b7094f · 2025-06-25T17:26:51.000+07:00
diff --git a/include/nbl/builtin/hlsl/subgroup2/arithmetic_portability_impl.hlsl b/include/nbl/builtin/hlsl/subgroup2/arithmetic_portability_impl.hlsl
@@ -221,6 +221,7 @@ struct reduction_impl
     void __call()
     {
         BinOp op;
+        spirv::controlBarrier(spv::ScopeSubgroup, spv::ScopeSubgroup, spv::MemorySemanticsMaskNone);
         value = op(glsl::subgroupShuffleXor<scalar_t>(value, 0x1u<<StepLog2),value);
     }
 

Original file line number	Diff line number	Diff line change
`@@ -221,6 +221,7 @@ struct reduction_impl`
`221`	`221`	`void __call()`
`222`	`222`	`{`
`223`	`223`	`BinOp op;`
	`224`	`+ spirv::controlBarrier(spv::ScopeSubgroup, spv::ScopeSubgroup, spv::MemorySemanticsMaskNone);`
`224`	`225`	`value = op(glsl::subgroupShuffleXor<scalar_t>(value, 0x1u<<StepLog2),value);`
`225`	`226`	`}`
`226`	`227`